Good Condition 23mm in diameter. Kaiser's Cup was a yachting race across the atlantic between sandy hook,New Jersey and the lizard(Cornwall) England. This was a famous sailing race for its day. In 1905 there was 11 contenders Ailsa Apache, Atlantic, Endymion, Fleur De Lys, Hamburg, Hildegarde ,Sunbeam, Thistle Utowana Valhalla h., The 3000 nautical mile race was won by the Atlantic in 14 days and 2 hours. That record was only broken in 2002 by a monohull. Has been Appraised by Barnebys.com.